Phusion Passenger is a fast and robust web server and application server for Ruby, Python and Node.js. It works by integrating into Apache and Nginx and turning them into a fully-featured application server. It has high-profile users such as New York Times, AirBnB, Juniper, Motorola, etc, and comes with many features that make your life easier and your application perform better.

Phusion Passenger is under constant maintenance and development. Version 4.0.17 is a bugfix release.

Installing 4.0.17

Quick install/upgrade

Open source users can install the open source version of 4.0.17 with the following commands. Note that these instructions are very basic and may not cover steps that may be relevant to your specific system, such as setting up the right file permission. Please refer to the in-depth instructions if you have trouble installing.

“Phusion” and “Phusion Passenger” are registered trademarks of Phusion. “Rails”, “Ruby on Rails” and the Rails logo are registered trademarks of David Heinemeier Hansson. All other trademarks are property of their respective owners.